Anomalous role of molecular sieves 4A in the preparation of a binaphthol-derived active mu(3)-oxo titanium catalyst

被引：65

作者：

Terada, M

Matsumoto, Y

Nakamura, Y

Mikami, K

机构：

[1] TOKYO INST TECHNOL,DEPT CHEM TECHNOL,MEGURO KU,TOKYO 152,JAPAN

[2] TOKYO INST TECHNOL,RES LAB RESOURCES UTILIZAT,MIDORI KU,YOKOHAMA,KANAGAWA 27,JAPAN

来源：

CHEMICAL COMMUNICATIONS | 1997年 / 03期

关键词：

D O I：

10.1039/a607036a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The active species of binaphthol-derived titanium catalyst 1, which is used as an efficient: catalyst for glyoxylate-ene reactions, is primarily composed of a mu(3)-oxo (Ti3O) species, for which the molecular sieves 4A employed in the catalyst preparation act as a H2O donor.

引用

页码：281 / 282

页数：2

共 25 条

[1]

[Anonymous], 1992, Org. Synth

[2]

BLANCHARD J, 1995, NEW J CHEM, V19, P929

[3]

BOSNICH B, 1986, ASYMMETRIC CATALYSIS

[4] STRUCTURALLY WELL CHARACTERIZED BINAPHTHOLATE TITANIUM CHLORIDE LEWIS-ACIDS - EVIDENCE FOR ACTIVE DINUCLEAR CATALYSTS IN A DIELS-ALDER PROCESS [J].